Bionx Throttle Problem

My brand new throttle started feeling a bit loose and moving beyond its normal range. Stupidly I ignored the problem and today the throttle lever dropped off. I managed to retrieve the lever, spring and screw but re-attaching the internal magnet to the lever required removing the securing bolts, then prying with a knife and lifting the top off the console. If I had tightened the lever straight away, I could have been cycling an extra hour today! I still have to re-waterproof the console!